Question: (When you first read about the summer school issue in Chapter 22, you did not have an inference method that would work. Try again now.)

(When you first read about the summer school issue in Chapter 22, you did not have an inference method that would work. Try again now.) Having done poorly on their Math final exams in June, six students repeat the course in summer school and take another exam in August.

a) If we consider these students to be representative of all students who might attend this summer school in other years, do these results provide evidence that the program is worthwhile?
b) This conclusion, of course, may be incorrect. If so, which type of error was made?

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a H 0 The mean differencebetween August and June scores is zero and the summer school program is not ... View full answer

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